Packing-joint



W. B. BURKE.

PACKING fomT.

APPLICATION FILED MAY 22, 1914,

1,365,151. Patented Jan. 11, 1921.

2 /"Te-i opposed to the recess, the shoulder being formed at its periphery with a lip having a cutting edge; a washer of packing material disposed between the shoulder and the end of the body member and adapted to be engaged by the cutting edge of the lip; and a a valve member reciprocally held in the body member and cooperating with the said member.

2. In a device of the character described, the combination of a tubular body member recessed at its outer end; a seat member threaded in the outer end of the body member and formed with an external-inte al shoulder opposed to the recess, the shou der being formed at its periphery with a lip having a cutting edge, the lip being adapted to telescope in the recess; a washer of packing material disposed between the shoulder and the end of the body member and adapted to be engaged by the cutting edge of the lip; and a valve member reciprocally held in the body member and cooperating with said member.

3. valve comprising two members, one a casing and the other a seat member having a part adapted to fit into the casin said seat member having an integral sho der adapted to compress a packing between a it and the end of the casing, and an annu:

'lar recess adjacent said shoulder of less di- .ameter than said part of the seat member which fits within the casing, one of said members having a projection with inwardly sloping sides adapted to force the washer inwardly into said annular recess as the members are pressed together;

4. A valve comprising two members, one a casing and the other a seat member having a part adapted to fit into the casing, and a part outsideof the casing adapted to receive a cap or con ling, said seat member having an integral s oulder ada ted to compress a packing between it an the end of the casing, one of said members having a projection with sloping sides adapted to compress the washer laterally as the members are ressed together, the maximum diameter 0? said seat member being less'than the diameter of said casing. whereby a dust cap may fit over the end of the casing and be connected to the casing.

Signed by me, this 21st day of May, 1914.

WILBUR B. BURKE Attested b j D. T: DAVIES, A. L. GILL. 

